- Learn English
-
Learn grammar
-
List of words
-
Study your cards
-
Hang On, Man!
-
Audio Books
-
More apps
- Recent searches
-
contempt
-
mortal
-
occasionally
-
nymphaea
-
mandamus
-
sparkle
-
larger
-
chaplet
-
1-dodecanol
-
adapid group
- Hide translation
surveillance
surveillance /sɝˈveɪləns/
noun
-
(
)
Close observation of a person or group (usually by the police)
(
surveillance
)
close observation of a person or group (usually by the police)